Related Clues:

• See 34-Down
• Cool and collected
• Calm or tranquil
• Collected
• ''Relax, troops!''
• Unflappable
• Laid-back
• At peace
• 'Relax, soldier!'
• Opposite of 'Ten-hut!'
• Pastoral
• Sergeant's yell
• Chilling, so to speak
• Welcome command
• Drill instructor's command